System Integrator III - Critical Infrastructure

System Integrator III
- Critical Infrastructure

Smart Tech Contracting delivers turnkey BAS & EPMS solutions for mission-critical colocation and hyperscale data centers operating at national program scale. As a Master Systems Integrator (MSI), we unify controls construction (DDC, PLC, SCADA) with software engineering, optimized graphics / UI standards, and program-level governance.

Complex integrations are delivered cleanly, consistently, and fast. Our teams thrive in high-stakes environments where quality control and uptime matters, schedules are compressed, and coordination is everything.

Join us and be part of a team where your voice matters, your work makes an impact, and your growth is a shared priority.

Position Title: System Integrator III
- Critical Infrastructure

Position Location: Remote – Atlanta, GA preferred

The System Integrator III – Critical Infrastructure is an advanced technical contributor responsible for the installation, startup, testing, troubleshooting, commissioning, and closeout of Building Automation Systems (BAS), Electrical Power Monitoring Systems (EPMS), PLC, and SCADA systems supporting large-scale commercial, industrial, and mission critical facilities.

Working under the direction of the Lead System Integrator or Site Superintendent, the System Integrator III independently executes complex field integration and commissioning activities while serving as a technical resource for less experienced team members. This position collaborates with project managers, design engineers, Design System Integrators (DSIs), subcontractors, commissioning agents, equipment manufacturers, and client representatives to ensure automation systems are installed, tested, and commissioned in accordance with project specifications, quality standards, and project schedules.

The System Integrator III is expected to work with minimal supervision, resolve complex technical issues, support commissioning efforts, and contribute to the successful delivery of mission critical infrastructure projects while operating in alignment with organizational values and department objectives.

• Perform installation verification, startup, testing, troubleshooting, commissioning, and validation of BAS, EPMS, PLC, and SCADA systems
• Execute L2 and support L3 system verification activities
• Configure, download, and validate control programs and field controllers
• Perform point-to-point checkout, I/O verification, and network communication testing
• Troubleshoot controller hardware, instrumentation, field devices, communication networks, and software integration issues
• Verify equipment operation against approved sequences of operation and project specifications
• Participate in Integrated Systems Testing (IST), Functional Performance Testing (FPT), and owner acceptance activities
• Perform quality assurance and quality control inspections of installed controls systems
• Support installation inspections, deficiency resolution, and project closeout activities
• Document as-built conditions and provide field markups for project documentation

• Provide technical support and guidance to System Integrator I and II team members
• Assist the Lead System Integrator in resolving technical issues and coordinating field activities
• Collaborate with subcontractors, commissioning agents, engineers, and project management to resolve installation and startup issues
• Share technical knowledge and best practices to improve team performance and consistency
• Support training and onboarding of new System Integrators as assigned

• Complete daily reports, startup documentation, commissioning reports, issue logs, and punch lists
• Maintain accurate records of completed work, deficiencies, and corrective actions
• Communicate project status, technical issues, and schedule impacts to project leadership
• Participate in customer meetings and commissioning activities as requested

• Utilize AI-enabled and digital tools to improve efficiency, documentation accuracy, and workflow consistency
• Support process improvements and technology adoption initiatives
• Maintain technical proficiency through continuous learning and professional development

• HVAC systems
• Chilled water systems
• Air handling units
• Central cooling plants
• Building Automation Systems (BAS)
• Electrical Power Monitoring Systems (EPMS)

• PLC startup and troubleshooting
• SCADA systems, including Ignition
• Allen-Bradley Control Logix, Compact Logix, and Micro Logix
• Modbus TCP/IP/RTU, BACnet/IP, OPC UA, Ethernet/IP Integration
• Controls wiring and relay logic
• Sensors, actuators, instrumentation, and field devices
• BACnet/IP, Modbus TCP/RTU, and industrial networking fundamentals

• Reading construction drawings, electrical one-line diagrams, control…